McQuay MicroTech III Installation And Maintenance Manual

Chiller unit controller bacnet ip communication module pathfinder chiller, model aws air-cooled scroll compressor chiller, model agz -d

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Installation and Maintenance Manual
®
MicroTech
III
Chiller Unit Controller
®
BACnet
IP Communication Module
Pathfinder
Chiller, Model AWS
Air-Cooled Scroll Compressor Chiller, Model AGZ -D
Use this manual to physically install the McQuay MicroTech III Communication Module into the MicroTech III
Chiller unit controller and connect the unit controller to your network. Use the appropriate McQuay Engineering
Data (ED), known as the Protocol Information document, to integrate the unit into your network. The Protocol
Information document contains addressing details, BACnet® protocol information, and a list of the data points
available to the network. See the Reference Documents section of this manual for Protocol Information
document numbers. MicroTech III control integration literature is available from your local McQuay International
sales representative and www.mcquay.com.
© 2010 McQuay International
NOTICE
IM 966-1
Group: Controls
Part Number: IM 966
Date: October 2010
Supercedes: IM 966

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Summary of Contents for McQuay MicroTech III

  • Page 1 Air-Cooled Scroll Compressor Chiller, Model AGZ -D NOTICE Use this manual to physically install the McQuay MicroTech III Communication Module into the MicroTech III Chiller unit controller and connect the unit controller to your network. Use the appropriate McQuay Engineering Data (ED), known as the Protocol Information document, to integrate the unit into your network.
  • Page 2: Table Of Contents

    Parts List ............................. 14 Installation Kit ..........................14 Figures Figure 1. BACnet IP Communication Module Attached to MicroTech III Chiller Unit Controller..5 Figure 2. BACnet Communication Module Components ..............6 Figure 3. BACnet IP Communication Module and Knockout.............. 7 Figure 4.
  • Page 3: Revision History

    Air-cooled Scroll Chiller, Model AGZ Operation Manual www.mcquay.com Limited Warranty Consult your local McQuay Representative for warranty details. Refer to Form 933-43285Y. To find your local McQuay Representative, go to www.mcquay.com. Notice Copyright © 2010 McQuay International, Minneapolis MN. All rights reserved throughout the world.
  • Page 4: General Information

    ® This manual contains the information you need to install the BACnet Communication Module on a MicroTech III Chiller Unit Controller, incorporate it into the BACnet network, and maintain it. Hazard Identification Messages DANGER Dangers indicate a hazardous situation that will result in death or serious injury if not avoided.
  • Page 5: Description

    The BACnet Communication Module is a printed circuit board with a plastic enclosure that connects to the left side of the McQuay D-Net™ Module as shown in Figure 1 or directly to the unit controller. The BACnet Communication Module provides access to the unit controller variables and parameters via BACnet.
  • Page 6: Light Emitting Diodes (Leds)

    Red flashing with 2Hz = Software error. Hardware error. In the event that this should occur, cycle power to the unit controller to attempt to clear the problem. Contact the McQuay Controls Customer Support Group at 866-4MCQUAY (866-462-7829) for additional assistance if necessary.
  • Page 7: Bacnet Network Connector

    BUS LEDs The BUS LED indicates the communication status between the BACnet Communication Module and the BACnet IP network. The table below describes the status of the BUS LED. BUS LED Color Meaning Green The unit controller is capable of communicating to the network. The unit controller is not capable of communicating to the network.
  • Page 8: Figure 4. Diagram Of Board-To-Board Connector

    Figure 4. Diagram of Board-to-Board Connector Figure 5. BACnet IP Communication Module with Board-to-Board Connector Inserted IM 966-1...
  • Page 9: Installation

    Installation The following section describes how to field install a new BACnet Communication Module or replace an existing BACnet Communication Module on the MicroTech III Chiller Unit Controller so that it can be incorporated into the BACnet network. CAUTION Electrostatic discharge hazard. Can cause equipment damage.
  • Page 10: Replacing An Existing Bacnet Communication Module

    Electric shock hazard. Can cause personal injury or equipment damage. This equipment must be properly grounded. Only personnel knowledgeable in the operation of the equipment being controlled must perform connections and service to the MicroTech III Chiller Unit Controller. 1. Remove power from the unit controller.
  • Page 11: Integration

    Integration Once the BACnet Communication Module has been properly installed on the MicroTech III Chiller Unit Controller, it is then necessary to configure the unit controller for integration into a Building Automation System (BAS) via the BACnet IP network. The configuration process is described in the following section.
  • Page 12: Figure 6. Microtech Iii Chiller Unit Controller Password Menu And Main Features

    This procedure may take a minute while the BACnet Communication Module powers up. Note: The Actual IP Address displays 0.0.0.0 if the network cable is not attached. Figure 6. MicroTech III Chiller Unit Controller Password Menu and Main Features Back button Circular knob (press down to Enter value) Table 1.
  • Page 13 Parameter Value (Range)/Definition Initial Value/Note Name Up to a 17-character Device Object Name. POL908_FF2BEE/This name must be unique throughout the entire Change this value as needed to match BACnet network. The last 6 characters of the default are the last 6 installation parameters.
  • Page 14: Service Information

    Service Information Test Procedures If you can control the MicroTech III Chiller Unit Controller from the keypad/display, but you are not able to communicate via the network, follow these steps:  Check the network wiring  Check communications  Use the standard TCP/IP suite of protocols to check your connectivity with other devices.
  • Page 15 This document contains the most current product information as of this printing. For the most current product information, please go to www.mcquay.com. All McQuay equipment is sold pursuant to McQuay’s Standard Terms and Conditions of Sale and Limited Warranty. IM 966-1...

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